--- zzzz-none-000/linux-3.18.24/drivers/usb/host/xhci-ring.c	2015-10-31 20:39:51.000000000 +0000
+++ rtl96-5690pro-762/linux-3.18.24/drivers/usb/host/xhci-ring.c	2024-08-14 08:36:37.000000000 +0000
@@ -600,10 +600,12 @@
 	if (urb_priv->td_cnt == urb_priv->length) {
 		if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) {
 			xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs--;
+#ifdef CONFIG_USB_XHCI_PCI
 			if (xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs	== 0) {
 				if (xhci->quirks & XHCI_AMD_PLL_FIX)
 					usb_amd_quirk_pll_enable();
 			}
+#endif
 		}
 		usb_hcd_unlink_urb_from_ep(hcd, urb);
 
@@ -1874,11 +1876,13 @@
 			ret = 1;
 			if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) {
 				xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs--;
+#ifdef CONFIG_USB_XHCI_PCI
 				if (xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs
 					== 0) {
 					if (xhci->quirks & XHCI_AMD_PLL_FIX)
 						usb_amd_quirk_pll_enable();
 				}
+#endif
 			}
 		}
 	}
@@ -3712,10 +3716,12 @@
 		}
 	}
 
+#ifdef CONFIG_USB_XHCI_PCI
 	if (xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs == 0) {
 		if (xhci->quirks & XHCI_AMD_PLL_FIX)
 			usb_amd_quirk_pll_disable();
 	}
+#endif
 	xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs++;
 
 	giveback_first_trb(xhci, slot_id, ep_index, urb->stream_id,